National Weather Service forecast
St. James, New York Weather
St. James 7-Day Forecast
-
Overnight53°FPatchy Fog3% chance of precipitation
Patchy fog. Mostly clear, with a low around 53. Southwest wind around 3 mph.
-
Wednesday70°FPatchy Fog then Sunny3% chance of precipitation
Patchy fog before 8am. Sunny. High near 70, with temperatures falling to around 65 in the afternoon. Southwest wind 3 to 10 mph.
-
Wednesday Night58°FPartly Cloudy2% chance of precipitation
Partly cloudy, with a low around 58. South wind 5 to 8 mph.
-
Thursday69°FSlight Chance Rain Showers19% chance of precipitation
A slight chance of rain showers after 7am. Mostly cloudy. High near 69, with temperatures falling to around 65 in the afternoon. South wind 5 to 10 mph. Chance of precipitation is 20%.
-
Thursday Night60°FRain Showers83% chance of precipitation
Rain showers. Mostly cloudy, with a low around 60. Southwest wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
-
Friday67°FShowers And Thunderstorms91% chance of precipitation
Rain showers before 10am, then showers and thunderstorms. Cloudy. High near 67, with temperatures falling to around 63 in the afternoon. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
-
Friday Night55°FShowers And Thunderstorms91% chance of precipitation
Showers and thunderstorms. Cloudy, with a low around 55. Chance of precipitation is 90%.
-
Saturday64°FRain Showers Likely59% chance of precipitation
Rain showers likely. Partly sunny, with a high near 64. Chance of precipitation is 60%.
-
Saturday Night44°FSlight Chance Rain Showers20% chance of precipitation
A slight chance of rain showers. Partly cloudy, with a low around 44.
-
Sunday59°FSlight Chance Rain Showers then Mostly Sunny19% chance of precipitation
A slight chance of rain showers before 7am. Mostly sunny, with a high near 59.
-
Sunday Night41°FPartly Cloudy14% chance of precipitation
Partly cloudy, with a low around 41.
-
Monday58°FChance Light Rain25% chance of precipitation
A chance of rain after 7am. Mostly sunny, with a high near 58. Chance of precipitation is 30%.
-
Monday Night41°FChance Light Rain25% chance of precipitation
A chance of rain. Partly cloudy, with a low around 41. Chance of precipitation is 30%.
-
Tuesday59°FSlight Chance Light Rain then Mostly Sunny19% chance of precipitation
A slight chance of rain before 7am. Mostly sunny, with a high near 59.
Issued by the National Weather Service (OKX office), updated .
St. James Hourly Forecast
Loading the next 48 hours…
St. James Weather Radar
Open the full radar for St. JamesAbout St. James
- Population (2020 Census)
- 13,487
- Coordinates
- 40.876, -73.152
- Elevation
- 148 ft
- NWS forecast office
- OKX
- Time zone
- America/New York
- Sunrise today
- 6:26 AM EST
- Sunset today
- 4:45 PM EST
- Daylight today
- 10 h 19 min
St. James Weather Questions
What is the weather forecast for St. James, New York?
Overnight: Patchy fog. Mostly clear, with a low around 53. Southwest wind around 3 mph. Wednesday: Patchy fog before 8am. Sunny. High near 70, with temperatures falling to around 65 in the afternoon. Southwest wind 3 to 10 mph.
Will it rain or snow in St. James this week?
The best chance of precipitation is Friday at 91%. Periods with a 30% chance or more: Thursday Night (83%), Friday (91%), Friday Night (91%), Saturday (59%).
How warm and how cold will it get in St. James this week?
The warmest day is Wednesday, with a high near 70°F. The coldest night is Sunday Night, with a low near 41°F.
What time are sunrise and sunset in St. James today?
Sunrise is at 6:26 AM EST and sunset is at 4:45 PM EST, for 10 h 19 min of daylight.
Weather near St. James
- Head of the Harbor 2 mi
- Nesconset 2 mi
- Lake Grove 2 mi
- Village of the Branch 2 mi
- Stony Brook 3 mi
- Nissequogue 3 mi
- Stony Brook University 3 mi
- Smithtown 4 mi